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From "Matthew Rowles (JIRA)" <j...@apache.org>
Subject [jira] Created: (MATH-287) Add support for weighted descriptive statistics
Date Fri, 21 Aug 2009 05:34:14 GMT
Add support for weighted descriptive statistics
-----------------------------------------------

                 Key: MATH-287
                 URL: https://issues.apache.org/jira/browse/MATH-287
             Project: Commons Math
          Issue Type: New Feature
    Affects Versions: 2.0
            Reporter: Matthew Rowles
            Priority: Minor


Add support for weighted descriptive statistics, such as weighted variance.

An example method call would be Variance.evaluate(double[] values, double[] weights, int begin,
int length)


- Suggested by  mickeydog@taosnet.com on the mailing list.



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